<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>待办事件</title>
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</head>
<body>
<div class="jumbotron jumbotron-fluid">
    <div class="container text-center">
        <h1 class="display-4">JavaScript ToDo</h1>
        <p class="lead">待办事件</p>
    </div>
</div>
<div class="container">
    <div class="row">
        <div class="col-12">
            <form class="mb-5" onsubmit="return false">
                <div class="form-group">
                    <input id="ipt" type="text" class="form-control" placeholder="在此输入任务...">
                </div>
                <button id="btn" type="submit" class="btn btn-primary btn-block">添加</button>
            </form>
            <ul class="list-group" id="ul">

            </ul>
        </div>
    </div>
</div>
<script src="script.js"></script>
</body>
</html>